Jane obtained a random sample of 15 college students and asked how many hours they studied last week. Is it reasonable to believe that hours studied is normally distributed? The normal probability plot is shown below and the correlation between hours studied and expected z-scores is 0.974.

Transcribed Image Text:

2 1.5 0.5 -0,5 -1 -1.5 -2 15 20 25 10 Expected z-s